As the days grow shorter and the temperatures dip, a familiar phrase echoes in the minds of many: Winter is Coming. Popularized by the “Game of Thrones” series, the phrase has become a cultural shorthand for the inevitability of the cold, dark months ahead. Yet, as winter approaches, it’s more than just a signal for…
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Celebrating Our Website’s Migration From USA to EU Host
We’re thrilled to announce the migration of our website to a new host in the European Union – a move that signifies progress, enhanced user experience, and a commitment to data protection. Key Reasons for Migration: Data Protection and Privacy Compliance: Embracing GDPR ensures the highest standards of data protection and privacy for our users….
Read moreMigrate Docker to a New Host
Copy the files under /var/lib/docker is the easiest way to migrate docker to a new host. Before using this approach, this is some limitation. Operating system compatibility: The operating system on the new host must be compatible with the Docker images and containers you are migrating. For example, you cannot migrate containers built for a…
Read moreTurn on the built-in TCP BBR to Increase the Internet Speed
If the system’s built-in kernel is higher than 4.9, BBR is already included by default. Steps: Use the root privilege to run the following code Turn on BBR Make changes effective Execute the following command, if the result contains bbr, it means that your kernel has been enabled bbr. Note: You can also execute the…
Read moreSetting up Hurricane Electric IPv6 on Ubuntu
To set up Hurricane Electric (HE) IPv6 on Ubuntu, you will need to do the following: Sign up for an account with Hurricane Electric and request a tunnel. This will give you a Tunnel Server (also known as an endpoint) and a Tunnel ID that you will need to configure the tunnel. On your Ubuntu…
Read moreWhat is Serializable transaction?
A serializable transaction is a type of database transaction that guarantees that the concurrent execution of multiple transactions will produce the same result as if the transactions were executed one at a time in some serial order. This means that the isolation level of a serializable transaction is the highest level of isolation and it…
Read moreMy Personal BBS is up and live
Prevent certificate leak for host behind a CDN
If you are running a website behind a CDN, the orignal IP of your hosts can still be leaked through SSL handshake. For example, if you simple visit in browser: https://[host_ip] You will probably see the certificate which has domain names. So if someone is running a scanner against data center ip addresses, they will…
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